Allerthorpe, in the parish of Thornton, Wilton-Beacon division of Harthill, liberty of St. Peter; (the seat of Barnard Smyth, Esq.) 2 miles from Pocklington, 7 ½ from Market-Weighton, 12 from York. – Pop. 132. Here is a Chapel of ease to Thornton, value, p.r. £766s. 3d.
Source: A Topographical Dictionary of Yorkshire By Thomas Langdale. Second Edition. Printed and Sold by J. Langdale; and sold by T. Langdale, Ripon. 1822.